[gnome-documents] flatpak: Allow deleting books

[Debarshi Ray <debarshir src gnome org>]

commit 9b9dd892c8f72d7f6d42daede911a4e751fb45cb
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Mar 13 16:04:43 2018 +0100

    flatpak: Allow deleting books

 flatpak/org.gnome.Books.json |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/flatpak/org.gnome.Books.json b/flatpak/org.gnome.Books.json
index e3d00f1..dc099ff 100644
--- a/flatpak/org.gnome.Books.json
+++ b/flatpak/org.gnome.Books.json
@@ -9,8 +9,8 @@
     "finish-args": [
         "--env=DCONF_USER_CONFIG_DIR=.config/dconf",
         "--filesystem=~/.config/dconf:ro",
-        "--filesystem=xdg-documents:ro",
-        "--filesystem=xdg-download:ro",
+        "--filesystem=xdg-documents",
+        "--filesystem=xdg-download",
         "--filesystem=xdg-run/dconf",
         "--share=ipc",
         "--share=network",